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प्रश्न
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उत्तर
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संबंधित प्रश्न
Genetic recombination occurs in ______ phase of prophase of meiosis-I.
Describe anaphase in mitosis.
Identify the stages of mitosis given below and label the figures.
Draw a well-labelled diagram to show the anaphase stage of mitosis in plant cells having four chromosomes.
Name the following:
Replacement of dead cells is accomplished by which process.
Name the Following
The stage when chromosomes arrange at the equator.
Name the Following
Name the stage during which nuclear membrane and nucleoli reappear.
Name the Following
Nuclear envelope and nucleoli reappear in which stage.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The alkaloid colchicine inhibits the formation of the mitotic spindle.
Multiple Choice Question:
Karyokinesis is the division of
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the terms in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column I | Column II |
| (i) Anaphase | (a) Chromosomes become arranged in a horizontal plane at the equator. |
| (ii) Prophase | (b) Daughter chromosomes move to opposite poles of the spindle. |
| (iii) Telophase | (c) Chromosomes become visible as fine, long threads. |
| (iv) Metaphase | (d) Chromosomes lose their distinctiveness and gradually become transformed into chromatin network. |
Explain the following figure.
During Mitosis what is the position of chromatids in metaphase?
The phase of karyokinesis which is almost the reverse of prophase is ______.
What is the main function of the spindle fibres during mitosis?
